Tantei Gakuen Q - โรงเรียนนักสืบ Q

Kamiki Ryunosuke - Kyuu
Shida Mirai - Megu
Yamada Ryosuke - Ryuu
Kaname Jun - Kinta
Jinnai Takanori - Morihiko Dan
Wakaba Katsumi - Kazuma
Okunuki Kaoru - Miss Yurie
Yamamoto Taro - Nanami Kotaro
Suzuki Kazuma - Kerberos
Hoshino Gen - Nekoda Keiji
Makoto Akita - Uemura Haruka
Saiki Shigeru (斉木しげる) - Moroboshi Keibu
Guests
Kakiuchi Ayami - Okada Ritsuko (ep1)
Hongo Kanata - Makino Daisuke (ep2)
Jinbo Satoshi - Igarashi Takumi (ep2)
Yanagita Erika - Suzuki Ayaka (ep2)
Yoshitake Reo (吉武怜朗) - Takeyama Yuuki (ep2)
Aoyagi Ruito - หัวหน้านักเต้นบนถนน (ep2)
Ichikawa Yui - Yoko (ep3)
Nagata Anna (永田杏奈) - Tamura Yuki (ep3)
Fukami Motoki - Watanabe (ep3)
Isaki Mitsunori (伊崎充則) (ep3)
Suzuki Kasumi - Asabuki Maya (ep4-5)
Wakaba Ryuuya - Sakuma Hibiki (eps 4-5)
Ochiai Motoki - Tominaga Masashi (eps 4-5)
Ono Kensho (小野賢章) (eps 4-5)
Tajima Yumika (田島ゆみか) - Toya Kuniko (eps 4-5)
Nishimura Risa (西村理沙) - Murasaki Misato (eps 4-5)
Yamazaki Yuta - Fukunaga Ukon (ep6)
Satoi Kenta - Fukunaga Samon (ep6)
Nishiyama Mayuko - Fukunaga Tomoko (ep6)
Yamaguchi Miyako - Fukunaga Haduki (ep6)
Yamashita Shinji - Toyama Kinzaburo (ep7)
Suho Reiko - Taguchi Ryoko (ep7)
Kinami Haruka - Nishizawa Maki (ep7)
Namioka Kazuki (波岡一喜) - Mimasaka Ryusuke (ep7)
Uemura Aika (上村愛香) - Okajima Yayoi (ep7)
Suzuki Kosuke - Asano Takuro (ep8)
Takahashi Mai - Reika (ep8)
Kayo Aiko (嘉陽愛子) - Setouchi Tsugumi (ep8)
Akiyama Nana (秋山奈々) - Honoka (ep8)
Honda Makoto (本田誠人) (ep8)
Muro Tsuyoshi (ep8)
Hosokawa Shigeki - Renjo Satoru (ep9)
Hasegawa Tomoharu - Tanaka (ep9)
Nagano Satomi(長野里美) - Ishi (ep9)
Maido Yutaka (まいど豊) - Nakamura (ep9)
Watanabe Minoru (渡辺穣) - Keimu Kan (ep9)
Nakamura Sakuya (中村咲哉) - Kyu ตอนเด็ก (ep9)
Tanaka Minoru - Benijo Kyosuke (ep10)
Matsuo Reiko - Nanamura Biki (ep10)
Murano Mia - Kagiya Kikyo (ep10)
Kosuda Yasuhito (小須田康人) - Uhora Tsubesema (ep10)
Yamashita Yuko - Benijo Tsubaki (ep10)
Sakurai Ryutaro (櫻井遼太郎) - Ryu ตอนเด็ก (ep10)
Wakamatsu Takeshi (若松武史) - King Hades (ep11)